Specifications: Economical bags for one-time use to secure currency shipments en route to Federal Reserve Banks. Bags feature a tamper-evident security seal to detect unauthorized access. The self-sealing adhesive closure automatically displays the word Void when opened or tampered with.^^Approved by the Federal Reserve.^^Polyethylene water and tear-resistant film with a textured, non-slip film surface and a reinforced handle.^^Reinforced handle withstands the 100 lb. stretch test!^^Each bag has individual alpha-numeric numbering, bar code, and tear-off receipt.